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diff --git a/DuetPkg/DxeIpl/X64/CpuIoAccess.asm b/DuetPkg/DxeIpl/X64/CpuIoAccess.asm
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- title CpuIoAccess.asm
-;------------------------------------------------------------------------------
-;
-; Copyright (c) 2006 - 2007, Intel Corporation
-; All rights reserved. This program and the accompanying materials
-; are licensed and made available under the terms and conditions of the BSD License
-; which accompanies this distribution. The full text of the license may be found at
-; http://opensource.org/licenses/bsd-license.php
-;
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;
-; Module Name:
-; CpuIoAccess.asm
-;
-; Abstract:
-; CPU IO Abstraction
-;
-;------------------------------------------------------------------------------
-
-
-.code
-
-;------------------------------------------------------------------------------
-; UINT8
-; CpuIoRead8 (
-; UINT16 Port // rcx
-; )
-;------------------------------------------------------------------------------
-CpuIoRead8 PROC PUBLIC
- xor eax, eax
- mov dx, cx
- in al, dx
- ret
-CpuIoRead8 ENDP
-
-;------------------------------------------------------------------------------
-; VOID
-; CpuIoWrite8 (
-; UINT16 Port, // rcx
-; UINT32 Data // rdx
-; )
-;------------------------------------------------------------------------------
-CpuIoWrite8 PROC PUBLIC
- mov eax, edx
- mov dx, cx
- out dx, al
- ret
-CpuIoWrite8 ENDP
-
-
-END